Musculoskeletal impairment survey in Rwanda: Design of survey tool, survey methodology, and results of the pilot study (a cross sectional survey)

Table 4 Causes of MSI by aetiology

	Number	Prevalence	% of cases (n = 45)	Confidence limits
Family history	3	0.6	6.7	0.1–1.9
Congenital, no family history	2	0.4	4.4	0.1–1.5
Perinatal hypoxia	1	0.2	2.2	0.03–0.8
Trauma	16	3.4	35.6	2.0–5.5
Infection	4	0.9	8.9	0.2–2.2
Neoplasm	1	0.2	2.2	0.03–0.8
Unknown	17	3.6	37.8	2.1–5.8
Other	1	0.2	2.2	0.03–0.8
Total (no of diagnoses)	45		100.0

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